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As photopolymers have minimal strength and durability this material is better suited for models or prototypes. In addition, photopolymers are not UV stable and many have low heat tolerance; for this reason photopolymers are known to “creep” out of shape with heat or when carrying a heavy load for a long duration of time.
While these properties are essential considerations when working with photopolymers, there are some nanocomposites and formulated resins that were devised to have higher heat tolerances. One characteristic of photopolymers that makes construction difficult with this material is that it has very limited elongation abilities. Consequently, photopolymers are prone to breaking when heavily impacted or bent too much. Yet with photo-curing additive processes, designs with photopolymers obtain fine details and have rather smooth finishes; making them the perfect material when testing a particular look or functionality of prospective design.
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